<!DOCTYPE html>
<html lang="zh-cn">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="./index.css" />
    <title>Treeview7</title>
  </head>
  <body>
    <div class="tree" role="tree">
      <div
        class="tree-node is-expanded"
        role="treeitem"
        data-level="1"
        data-key-id="ps3"
      >
        <div class="tree-node-content">
          <div class="tree-node_expand-icon is-leaf">></div>
          <span class="tree-node_label">节点1</span>
        </div>
        <div class="tree-node-children" role="group">
          <div class="tree-node is-expanded" role="treeitem" data-level="2">
            <div class="tree-node-content">
              <div
                class="tree-node_expand-icon is-leaf"
                style="padding-left: 18px"
              >
                >
              </div>
              <span class="tree-node_label">节点1-1</span>
            </div>
            <div class="tree-node-children" role="group"></div>
          </div>
        </div>
      </div>
    </div>
  </body>
</html>
